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Related papers: CP-Violation with Neutrino Disappearance Alone

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Considering the $\mu$-$\tau$ symmetry, we discuss a direct linkage between phases of flavor neutrino masses and leptonic CP violation by determining three eigenvectors associated with ${\rm\bf M}=M^\dagger_\nu M_\nu$ for a complex flavor…

High Energy Physics - Phenomenology · Physics 2008-11-26 Teppei Baba , Masaki Yasue

Next-generation long-baseline electron neutrino appearance experiments will seek to discover CP violation, determine the mass hierarchy and resolve the $\theta_{23}$ octant. In light of the recent precision measurements of $\theta_{13}$, we…

High Energy Physics - Experiment · Physics 2015-03-25 M. Bass , M. Bishai , D. Cherdack , M. Diwan , Z. Djurcic , J. Hernandez , B. Lundberg , V. Paolone , X. Qian , R. Rameika , L. Whitehead , R. J. Wilson , E. Worcester , G. Zeller

In this paper we place new bounds on CPT violation in the solar neutrino sector analyzing the results from solar experiments and KamLAND. We also discuss the sensitivity of the next-generation experiments DUNE and Hyper-Kamiokande, which…

High Energy Physics - Phenomenology · Physics 2023-05-12 Gabriela Barenboim , Pablo Martínez-Miravé , Christoph A. Ternes , Mariam Tórtola

Non-unitary neutrino mixing implies an extra CP violating phase that can fake the leptonic Dirac CP phase $\delta_{CP}$ of the simplest three-neutrino mixing benchmark scheme. This would hinder the possibility of probing for CP violation in…

High Energy Physics - Phenomenology · Physics 2017-03-03 Shao-Feng Ge , Pedro Pasquini , M. Tortola , J. W. F. Valle

We investigate prospects of building a future accelerator-based neutrino oscillation experiment in China, including site selection, beam optimization and tau neutrino physics aspects. CP violation, non-unitary mixing and non-standard…

High Energy Physics - Phenomenology · Physics 2022-02-09 Jian Tang , Sampsa Vihonen , Yu Xu

We discuss the prospects of observing leptonic CP-violation at a neutrino factory in the context of the standard three neutrino scenario. If the large mixing angle MSW effect turned out to account for the solar neutrino deficit, we show…

High Energy Physics - Phenomenology · Physics 2009-10-31 Andrea Romanino

We discuss possibilities to investigate the effects of CP (and T) violation in the lepton sector in neutrino oscillation experiments. We consider the effects of CP violation in the framework of two schemes of mixing of four massive…

High Energy Physics - Phenomenology · Physics 2014-11-17 S. M. Bilenky , C. Giunti , W. Grimus

We study the CP violation effects from two types of neutrino mass matrices with (i) $(M_\nu)_{ee}=0$, and (ii) $(M_\nu)_{ee}=(M_\nu)_{e\mu}=0$, which can be realized by the high dimensional lepton number violating operators $\bar…

High Energy Physics - Phenomenology · Physics 2016-01-20 Chao-Qiang Geng , Da Huang , Lu-Hsing Tsai

Using a sample of 12.2 million $\tau$-lepton pairs produced by $e^+e^-$ annihilation at $\sqrt{s}\sim 10.6 $GeV and collected by the CLEO detector, we search for and set limits on CP violation in $\tau$-lepton decays. For each event, we…

High Energy Physics - Phenomenology · Physics 2016-11-23 Thomas Coan

The purpose of this paper is to provoke a discussion about the right next step in accelerator-based neutrino physics. In the next five years many experiments will be done to determine the neutrino mixing parameters. However, the small…

High Energy Physics - Phenomenology · Physics 2007-05-23 Burton Richter

I try to give an overview of future prospects of the experimental exploration of the unknowns in the neutrino mass pattern and the lepton flavor mixing. Because of the nature of the lectures on which this manuscript is based, I give some…

High Energy Physics - Phenomenology · Physics 2008-11-26 Hisakazu Minakata

We discuss the use of the CP asymmetry parameter (Acp) as a possible observable of CP violation in the leptonic sector. In order to do this, we study for a wide range of values of L/E the behavior of this asymmetry for the corresponding…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. M. Gago , V. Pleitez , R. Zukanovich Funchal

The first hint of the leptonic CP phase $\delta_{CP}=-90^\circ$ has already came from the long-baseline neutrino oscillation experiment T2K. This hint is derived from the neutrino data of T2K and currently it is running in the antineutrino…

High Energy Physics - Phenomenology · Physics 2017-02-28 Monojit Ghosh

Leptonic CP Violating Phase $ \delta_{CP} $ in the light neutrino sector and leptogenesis via present matter antimatter asymmetry of the Universe entails each other. Probing CP violation in light neutrino oscillation is one of the…

High Energy Physics - Phenomenology · Physics 2021-03-24 Gayatri Ghosh

We examine the possibility of detecting effects of leptonic CP violation by precise measurement of the solar neutrinos within the framework of standard electroweak theory minimally extended to include neutrino masses and mixing. We prove a…

High Energy Physics - Phenomenology · Physics 2009-10-31 Hisakazu Minakata , Shinji Watanabe

We propose a new approach to measuring the CP-violating phase in neutrino mixing using atmospheric neutrinos, differing significantly from prior work. We develop an up-down flux ratio for sub-GeV atmospheric neutrinos that incorporates…

High Energy Physics - Phenomenology · Physics 2026-05-19 John F. Beacom , Nicole F. Bell , Matthew J. Dolan , Stephan A. Meighen-Berger , Ho Man Yim

CPT invariance is one of the most fundamental symmetries in nature and it plays a major role in the formulation of Quantum Field Theory. Although no definitive signal of CPT violation has been observed so far, there are many reasons to…

High Energy Physics - Phenomenology · Physics 2021-09-15 Rudra Majhi , Dinesh Kumar Singha , K. N. Deepthi , Rukmani Mohanta

The discovery of neutrino oscillations and the large mixing parameters in the Pontecorvo Maki Nakagawa Sakata matrix has opened a window to search for CP-violation in neutrinos. Two long-baseline neutrino experiments, DUNE and…

High Energy Physics - Experiment · Physics 2022-07-18 Blair Jamieson

We propose here a proposal to connect neutrino and energy frontiers, by exploiting collimated muon beams for neutrino oscillations, which generate symmetric neutrino and antineutrino sources: $\mu^+\rightarrow e^+\,\bar{\nu}_{\mu}\,…

High Energy Physics - Phenomenology · Physics 2023-10-31 Alim Ruzi , Tianyi Yang , Dawei Fu , Sitian Qian , Leyun Gao , Qiang Li

Diagnosing core of supernova requires favor-dependent reconstruction of three species of neutrino spectra, \nu_e, \bar{\nu}_{e} and \nu_x (a collective notation for \nu_{\mu}, \bar{\nu}_{\mu}, \nu_{\tau}, and \bar{\nu}_{\tau}). We point out…

High Energy Physics - Phenomenology · Physics 2013-05-29 Hisakazu Minakata , Shoichi Uchinami
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